EP1211395A4 - Catalyst device for clarification of exhaust gas - Google Patents

Catalyst device for clarification of exhaust gas

Info

Publication number
EP1211395A4
EP1211395A4 EP01943882A EP01943882A EP1211395A4 EP 1211395 A4 EP1211395 A4 EP 1211395A4 EP 01943882 A EP01943882 A EP 01943882A EP 01943882 A EP01943882 A EP 01943882A EP 1211395 A4 EP1211395 A4 EP 1211395A4
Authority
EP
European Patent Office
Prior art keywords
clarification
exhaust gas
catalyst device
catalyst
exhaust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01943882A
Other languages
German (de)
French (fr)
Other versions
EP1211395A1 (en
EP1211395B1 (en
Inventor
Hiroyuki Nakajima
Takumi Suzawa
Hirokuni Seto
Keisuke Tashiro
Osamu Nakayama
Shigeyoshi Taniguchi
Hideki Gotoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ICT Co Ltd
Mitsubishi Motors Corp
International Catalyst Technology Inc
Original Assignee
ICT Co Ltd
Mitsubishi Motors Corp
International Catalyst Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ICT Co Ltd, Mitsubishi Motors Corp, International Catalyst Technology Inc filed Critical ICT Co Ltd
Publication of EP1211395A1 publication Critical patent/EP1211395A1/en
Publication of EP1211395A4 publication Critical patent/EP1211395A4/en
Application granted granted Critical
Publication of EP1211395B1 publication Critical patent/EP1211395B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/12—Hydrocarbons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
EP01943882A 2000-06-30 2001-06-29 Catalyst device for clarification of exhaust gas Expired - Lifetime EP1211395B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2000198389 2000-06-30
JP2000198389 2000-06-30
JP2001054376 2001-02-28
JP2001054376 2001-02-28
PCT/JP2001/005661 WO2002002916A1 (en) 2000-06-30 2001-06-29 Catalyst device for clarification of exhaust gas

Publications (3)

Publication Number Publication Date
EP1211395A1 EP1211395A1 (en) 2002-06-05
EP1211395A4 true EP1211395A4 (en) 2004-08-04
EP1211395B1 EP1211395B1 (en) 2006-10-04

Family

ID=26595106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01943882A Expired - Lifetime EP1211395B1 (en) 2000-06-30 2001-06-29 Catalyst device for clarification of exhaust gas

Country Status (5)

Country Link
US (1) US20020172625A1 (en)
EP (1) EP1211395B1 (en)
KR (1) KR100492449B1 (en)
DE (1) DE60123557T2 (en)
WO (1) WO2002002916A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0603942D0 (en) * 2006-02-28 2006-04-05 Johnson Matthey Plc Exhaust system for a spark-ignited internal combustion engine
JP4155320B2 (en) 2006-09-06 2008-09-24 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP5253233B2 (en) * 2009-02-27 2013-07-31 トヨタ自動車株式会社 Exhaust gas purification catalyst
CN102003254B (en) * 2010-11-18 2015-08-19 华东理工大学 Catalytic converter for purifying exhaust of natural gas automobile
JP5862870B2 (en) * 2011-12-19 2016-02-16 三菱自動車工業株式会社 Exhaust purification equipment
IL223937A (en) 2012-12-27 2016-12-29 Vladimir N Filatov High voltage transmission line cable based on textile composite material
CN105381805B (en) * 2015-12-04 2018-01-09 中自环保科技股份有限公司 A kind of natural gas and auto tail gas processing catalyst and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376610A (en) * 1992-04-15 1994-12-27 Nissan Motor Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
US5783160A (en) * 1995-01-27 1998-07-21 Toyota Jidosha Kabushiki Kaisha Method for purifying combustion exhaust gas
EP0915244A2 (en) * 1997-11-10 1999-05-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust gas purifying apparatus of internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146441A (en) * 1982-02-24 1983-09-01 Toyota Motor Corp Catalyst for purification of exhaust gas
JPH05293384A (en) * 1992-04-15 1993-11-09 Nissan Motor Co Ltd Catalyst for purifying exhaust gas and method therefor
JP3513536B2 (en) * 1995-01-27 2004-03-31 トヨタ自動車株式会社 Exhaust gas purification method and exhaust gas purification device
JP3684934B2 (en) * 1999-08-30 2005-08-17 三菱自動車工業株式会社 Exhaust gas purification device for internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376610A (en) * 1992-04-15 1994-12-27 Nissan Motor Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
US5783160A (en) * 1995-01-27 1998-07-21 Toyota Jidosha Kabushiki Kaisha Method for purifying combustion exhaust gas
EP0915244A2 (en) * 1997-11-10 1999-05-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust gas purifying apparatus of internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0202916A1 *

Also Published As

Publication number Publication date
DE60123557T2 (en) 2007-06-28
US20020172625A1 (en) 2002-11-21
DE60123557D1 (en) 2006-11-16
EP1211395A1 (en) 2002-06-05
WO2002002916A1 (en) 2002-01-10
KR100492449B1 (en) 2005-05-31
KR20020068031A (en) 2002-08-24
EP1211395B1 (en) 2006-10-04

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